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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
647535831295071679 ~1992
647546631295093279 ~1992
647549511295099039 ~1992
647554075180432579 ~1994
647555031295110079 ~1992
647571231295142479 ~1992
64758451259033804110 ~1995
647598111295196239 ~1992
647611615180892899 ~1994
647619231295238479 ~1992
647620911295241839 ~1992
647621511295243039 ~1992
647638431295276879 ~1992
647641975181135779 ~1994
647660333885961999 ~1993
647678031295356079 ~1992
647680075181440579 ~1994
647715591295431199 ~1992
647728911295457839 ~1992
647744991295489999 ~1992
647759991295519999 ~1992
647763591295527199 ~1992
647766173886597039 ~1993
64779811103647697710 ~1994
647800915182407299 ~1994
Exponent Prime Factor Digits Year
647823715182589699 ~1994
647835773887014639 ~1993
647844591295689199 ~1992
647856591295713199 ~1992
647872795182982339 ~1994
647907111295814239 ~1992
647919831295839679 ~1992
647926911295853839 ~1992
647932933887597599 ~1993
647932996479329919 ~1994
647944911295889839 ~1992
647950791295901599 ~1992
647965191295930399 ~1992
647981213887887279 ~1993
647987631295975279 ~1992
64799249246237146310 ~1995
647994591295989199 ~1992
648010311296020639 ~1992
648017695184141539 ~1994
648020836480208319 ~1994
648022733888136399 ~1993
648025615184204899 ~1994
648027436480274319 ~1994
648031431296062879 ~1992
648047031296094079 ~1992
Exponent Prime Factor Digits Year
648062391296124799 ~1992
648066115184528899 ~1994
648070276480702719 ~1994
64807049194421147110 ~1995
648085373888512239 ~1993
648091499073280879 ~1994
64809709155543301710 ~1995
648098631296197279 ~1992
648105231296210479 ~1992
648106311296212639 ~1992
648112333888673999 ~1993
648113991296227999 ~1992
648114591296229199 ~1992
648118191296236399 ~1992
648121791296243599 ~1992
648123231296246479 ~1992
648136311296272639 ~1992
648139516481395119 ~1994
648142791296285599 ~1992
648142933888857599 ~1993
648146991296293999 ~1992
64814819155555565710 ~1995
648150591296301199 ~1992
648157315185258499 ~1994
648178975185431779 ~1994
Exponent Prime Factor Digits Year
648184191296368399 ~1992
648187311296374639 ~1992
648187791296375599 ~1992
648188391296376799 ~1992
648193733889162399 ~1993
648197391296394799 ~1992
648199615185596899 ~1994
648206031296412079 ~1992
648208979074925599 ~1994
648216111296432239 ~1992
648222231296444479 ~1992
648241911296483839 ~1992
648249231296498479 ~1992
64825547116685984710 ~1994
648262311296524639 ~1992
648269391296538799 ~1992
648303173889819039 ~1993
648304311296608639 ~1992
648306591296613199 ~1992
648308031296616079 ~1992
648310075186480579 ~1994
648318831296637679 ~1992
648336231296672479 ~1992
648344991296689999 ~1992
648385311296770639 ~1992
2477
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26-07-19